To see the pretty pattern you have to install the
Java Plug-in
!
Order
3
6 Orthogonal Double Lines (Order 3)
Maneuver
Per Kristen Fredlund 2007
F ND- F2 · NU ND · F2 NU- F-
R NB- R2 · NF NB · R2 NF- R-
D NF- D2 · NF NB · D2 NB- D-
L NU- L2 · NU ND · L2 ND- L-
(32l)
